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C# How can I check if a URL exists/is valid?

...pend heavily on how the logic is coded and may not work well for a dynamic service like stock price. For static resources (e.g. images, files etc) HEAD usually works as advertised since it is baked into the server. Many programmers do not explicitly HEAD requests since the focus is normally on POST ...
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How to get std::vector pointer to the raw data?

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Static table view outside UITableViewController

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std::back_inserter for a std::set?

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How does View Controller Containment work in iOS 5?

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Function of Project > Clean in Eclipse

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How to see full symlink path

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How to differentiate between time to live and time to idle in ehcache

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C#: List All Classes in Assembly

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Is there a way to specify an “empty” C# lambda expression?

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